Lifespan/Longevity

In general swifts are long lived and have low mortality rates. Annual survival is estimated to be 65 to 83 percent. Mortality is highest during the first year. The longest living known individuals are: an alpine swift (Tachymarptis melba) of 26 years, a common swift (Apus apus) of 21 years, and a chimney swift (Chaetura pelagica) of 14 years.